CVE-2025-34299
Critical
Description
Monsta FTP versions 2.11 and earlier contain a vulnerability that allows unauthenticated arbitrary file uploads. This flaw enables attackers to execute arbitrary code by uploading a specially crafted file from a malicious (S)FTP server.
SeverityCritical
CVSS9.8
Exploit probability—
ProductMonstaftp Monsta Ftp
PublishedNov 7, 2025
First seenNov 7, 2025
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Patches
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| monstaftp monsta_ftp | v ≤ 2.11 | — |
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